Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 550mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke550 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S
The AirTAC SAIJ32X550-100-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 450-550 mm usable travel window, allowing you to dial back the 550 mm nominal stroke by up to 100 mm during commissioning. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod and includes a magnet for position sensing.
The rear adjuster acts purely as a mechanical stop to fine-tune the retract end-position without swapping the cylinder or adding external stops. It does not hold the load without live air pressure; for true load-holding without supply pressure, consider the SAIL or BSAI series. This 32 mm bore model uses a PT tapered G1/8 port and offers standard 27 mm air cushions at both ends.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 550 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×550 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S Is Used
Machine Changeover
Dial in the exact retract position within the 450-550 mm window when switching product sizes on a packaging line, avoiding the need to physically swap cylinders.
End-Stop Tuning
Fine-tune the final end-position during machine commissioning to align tooling perfectly, using the rear screw rather than adding external mechanical stops.
Variable Diverter Stroke
Adjust the travel distance of a sorting gate on the fly to accommodate different package lengths passing down the conveyor.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires precise end-position tuning during product changeovers rather than a fixed-stroke SAI unit. If you need greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Because the 550 mm stroke is relatively long for a 32 mm rod, an external guide is recommended to prevent excessive side-loading and premature seal wear.
This configuration uses a PT tapered port thread, a SUS420J2 stainless steel rod, and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. The cylinder operates at speeds of 30-800 mm/s and is dimensionally interchangeable per ISO 15552.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-100S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 100 mm, providing a usable travel window of 450-550 mm. The adjuster acts as a mechanical stop at the retract end and works alongside the standard air cushions, but it does not lock or hold the load without live air pressure.
At 0.5 MPa operating pressure, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. It includes a magnet for position sensing and is compatible with AirTAC CMSE reed switches and DMSE solid-state electronic sensors mounted in the dual-side sensor grooves.
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